 |
| Subject | English | Chinese |
| telecom. | conference calling | 会议呼叫 (ISDN 补充业务) |
| telecom. | conference calling | 会议呼叫 |
| busin. | conference calling equipment | 会议电话设备 |
| securit. | conference calls | 可视电话会议机构远距离可视沟通平台 |
|
| Subject | English | Chinese |
| telecom. | conference calling | 会议呼叫 (ISDN 补充业务) |
| telecom. | conference calling | 会议呼叫 |
| busin. | conference calling equipment | 会议电话设备 |
| securit. | conference calls | 可视电话会议机构远距离可视沟通平台 |